In this short guide you will be able to preview the segment.
You’ll also get some great ideas for in-class activities
after watching the video with your students.
Here is a creative and fun in-class activity for before/after watching the video…
Practice and play "Reading Your Mind" with students in class:
Download the chart with the numbers from the link and
give one to each student.
Ask a student to select a number between 1 and 15
and write it down without showing it to anyone. Then ask
the student to tell you in which column (or columns) it
appears. You can immediately announce the “secret number”
and ask the volunteer to show the number that he/she chose.
THEY ARE THE SAME!
Then, ask students to memorize the top numbers in each column so they can do the math in their heads.
Split the class into teams of 2 and let them play the game. One will be the “mentalist” and the other student will write the number on a piece of paper without showing it. When the “mentalist” gets the correct number, they will switch parts.
Encourage the students to keep the chart and share the excitement with family members and friends.
How it Works
To find the secret number, ask the volunteer to tell you in which column (or columns) the number appears. Now add the top numbers in those columns together and that tells you the secret number!
If for example the number was 7. The volunteer will announce that 7 appears in columns A, B and C. You then add up 1+2+4=7. It’s going to work with every other number as well!
All you have to do is memorize the top number in the 4 columns (A=1; B=2; C=4; D=8).
Why it Works
The top row of numbers, 1, 2, 4 and 8 are assigned to columns A, B, C and D respectively. Those 4 numbers appear only ONCE!
Other numbers (3,5,6,7,9,10,11,12,13,14,15) are assigned to selected columns (but not in a random way).
For example: 3 would be assigned to columns A and B because the numbers in the top row of columns A and B are 1 and 2 which add up to the number 3. The number 14 will show up in columns B, C and D. (2+4+8=14)
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